Question 1

A body rotates at 4 rev/s. In 1 s it will rotate through:

Accepted Answer

A)  4 rad 
B)  4π rad 
C)  8 rad 
D)  8π rad 
A)  4 rad 
B)  4π rad 
C)  8 rad 
D)  8π rad D

Question 2

A body rotates with an angular velocity of 3 rad/s. It will thus make:

Accepted Answer

A)  3π rev/s 
B)  3/2π rev/s 
C)  6π rev/s 
D)  6/π rev/s 
A)  3π rev/s 
B)  3/2π rev/s 
C)  6π rev/s 
D)  6/π rev/s B

Question 3

A flywheel starting from rest accelerates uniformly at 1 rad/s2. In 4 s it will complete:

Accepted Answer

A)  4 rad 
B)  8 rad 
C)  16 rad 
D)  32 rad 
A)  4 rad 
B)  8 rad 
C)  16 rad 
D)  32 rad B

Question 4

A wheel of radius 0.1 m is rotating at 3 rev/s. The peripheral velocity of a point on the wheel time is:

Accepted Answer

A)  0.3 m/s 
B)  0.3π m/s 
C)  0.6 m/s 
D)  D 0.6π m/s 
A)  0.3 m/s 
B)  0.3π m/s 
C)  0.6 m/s 
D)  D 0.6π m/s

Question 5

A flywheel rotating with an angular velocity of 2 rad/s is then uniformly accelerated at 2 rad/s2 for 2 s. Its angular velocity after this time will be:

Accepted Answer

A)  2 rad/s 
B)  4 rad/s 
C)  6 rad/s 
D)  8 rad/s 
A)  2 rad/s 
B)  4 rad/s 
C)  6 rad/s 
D)  8 rad/s

Question 6

Decide whether each of these statements is True (T) or False
When the angular velocity of a wheel doubles:
(i) The number of revolutions per sec is doubled.
(ii) The angle through which the wheel rotates in 1 s is doubled.

Accepted Answer

A)  (i) T (ii) T 
B)  (i) T (ii) F 
C)  (i) F (ii) T 
D)  (i) F (ii) F 
A)  (i) T (ii) T 
B)  (i) T (ii) F 
C)  (i) F (ii) T 
D)  (i) F (ii) F

A body rotates at 4 rev/s. In 1 s it will rotate through:

A body rotates with an angular velocity of 3 rad/s. It will thus make:

A flywheel starting from rest accelerates uniformly at 1 rad/s2. In 4 s it will complete:

A wheel of radius 0.1 m is rotating at 3 rev/s. The peripheral velocity of a point on the wheel time is:

A flywheel rotating with an angular velocity of 2 rad/s is then uniformly accelerated at 2 rad/s2 for 2 s. Its angular velocity after this time will be:

Decide whether each of these statements is True (T) or False When the angular velocity of a wheel doubles: (i) The number of revolutions per sec is doubled. (ii) The angle through which the wheel rotates in 1 s is doubled.

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Transients, D.C Circuit Analysis, and D.C Machines

Parallel A.C Circuits

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Exam 3: Angular Motion

A body rotates at 4 rev/s. In 1 s it will rotate through:

A body rotates with an angular velocity of 3 rad/s. It will thus make:

A flywheel starting from rest accelerates uniformly at 1 rad/s2. In 4 s it will complete:

A wheel of radius 0.1 m is rotating at 3 rev/s. The peripheral velocity of a point on the wheel time is:

A flywheel rotating with an angular velocity of 2 rad/s is then uniformly accelerated at 2 rad/s2 for 2 s. Its angular velocity after this time will be:

Decide whether each of these statements is True (T) or False When the angular velocity of a wheel doubles: (i) The number of revolutions per sec is doubled. (ii) The angle through which the wheel rotates in 1 s is doubled.

Basics, and Statics

Linear Motion, and Stress and Strain

Dynamics, and Energy

Heat, and D.C Circuits

Capacitance, and Magnetic Flux

Alternating Current, and Series A.C Circuits

Transients, D.C Circuit Analysis, and D.C Machines

Parallel A.C Circuits

Three-Phase A.C

Circular Motion, Component, and Structures

Mechanical Power Transmission

Structural Members

Frictional Resistance

Angular Dynamics

Oscillations

Filters